Examen Science Tema 3

1. Write Write True True or or Fals False: e: Invertebrate animals have skeleton and back bone Invertabrates can have symmetrical bodies or irregular bodies Invertebrate are oviparous Sponges can move Sponges don’t filter the seawater Worms have long soft bodies Molluscs are covered by shells Arthropods have an exoskeleton Insects have two body parts Centipedes and millipedes are myriapods

2. Label Label the pictur pictures es Worms cnidarians

echinoderms sponges

molluscs

arthropods

3. Label: Legs Antennae Thorax

Wings

Head

Mouth

Abdomen

. !omplete the texts !oral

"ell#$li%e marine

mo&e

sea anemone

Cnidarians have !!!!!!!!!!!!"bodies" #hey are !!!!!!!!!!!!!animals" #hey have tentacles" Some of them$ such as !!!!!!!!!!!!!and!!!!!!!!!!!!!"" are attached to rocks" %thers$ such as medusas can !!!!!!!!!!!!!!!!""

Lar&a

adult

o&iparous

changes

Invertebrates are !!!!!!!!!!!!!!!"" A !!!!!!!!!!!"hatches form an egg" At first it doesn’t look like an !!!!!!!!!!!!"" #hen$ its physical appearance !!!!!!!!!

'ight

di&ided

abdomen

arachnids

!!!!!!!!!!!!""have !!!!!!!!!!!!!!legs" #he body is !!!!!!!!!!!""into two parts the !!!!!!!!!!!!!and the cephalothorax

(. Write in the correct place: Millipede lobster butter)lies crabs )l# tarantula shrimp

I&S'C#S

grasshopper scorpion

A(AC)&I*S

*. +ead and ans,er the -uestions

spider centipede

C(+S#AC'A&S

bee

M,(IA-%*S

pider Spiders are arachnids$ not insects" %ther members of the arachnid family include scorpions$ mites$ ticks and harvestmen" Spiders have . legs while insects have /" Spiders don’t have antennae while insects do"  #here are around 01111 different species of spider" Most spiders make silk which they use to create spider webs and capture prey" Most spiders are harmless to humans but a few spider species$ such as the black widow$ can bite humans and in2ect venom" *eaths from spider bites are rare however"  #arantulas are large and often hairy spiders$ the biggest species have been known to kill mice$ li3ards and birds" Most tarantula species are not dangerous for humans"

)ow many legs have spiders got4 )ave spiders got antennae4 )ow many species of spiders are there4 Are the tarantulas dangerous for humans4

/. !omplete the sentences: Many invertebrates live in the !!!!!!!!!!"but some live in the fresh water and other live on land  #he !!!!!!!!!!!""live inside other animals Sponges$ cnidarians$ worms$ echinoderms$ arthropods and molluscs are !!!!!!!!!!!"" 'chinoderms are !!!!!!!!!!!!!!!"animals 5lies$ butterflies are !!!!!!!!!!!!!!  #he arachnids have !!!!!!!!!!!!!"and cephalothorax

Crustaceans have !!!!!!!or more legs

1. Write True or False: Invertebrate animals have skeleton and back bone 5A6S' Invertebrates can have symmetrical bodies or irregular bodies Invertebrate are oviparous #(+' Sponges can move 5A6S' Sponges don’t filter the seawater 5A6S' Worms have long soft bodies #(+' Molluscs are covered by shells #(+' Arthropods have an exoskeleton #(+' Insects have two body parts 5A6S' Centipedes and millipedes are myriapods #(+'

2. Label the pictures Worms cnidarians

A(AC)&I*S

echinoderms sponges

M%66+SCS

molluscs

arthropods

S-%&7'S

#(+'

W%(MS

C&I*A(IA&S

'C)I&%*'(MS

3. Label: Legs Antennae Thorax Abdomen

Wings

Head

Mouth

. !omplete the texts !oral

"ell#$li%e marine

mo&e

sea anemone

Cnidarians have !!8'66,96I:!!!!!!"bodies" #hey are !!! MA(I!!!!!animals" #hey have tentacles" Some of them$ such as !! C%(A6S!!!and!!!S'A A&'M%&'!"" are attached to rocks" %thers$ such as medusas can !!!!M!!!!!!""

Lar&a

adult

o&iparous

changes

Invertebrates are !!%;I-A(%+S!!!!!"" A !!!!6A(!!"hatches form an egg" At first it doesn’t look like an !!!!A*+6#!!"" #hen$ its physical appearance !C)A&7'S!!!

'ight

di&ided

abdomen

arachnids

!!A(AC)&I*S!!!""have !!!!'I7)#!!!!legs" #he body is !! *I;I*'*!!""into two parts the !!!A<*%M'&!!!and the cephalothorax

(. Write in the correct place: Millipede lobster butter)lies crabs )l# tarantula shrimp I&S'C#S

7(ASS)%--'( <+##'(56I'S 56, <''

grasshopper scorpion

A(AC)&I*S

S-I*'( SC%(-I%&  #A(A&#+6A

spider centipede

bee

C(+S#AC'A&S

M,(IA-%*S

6%
MI66I-'*' C'&#I-'*'

*. +ead and ans,er the -uestions pider Spiders are arachnids$ not insects" %ther members of the arachnid family include scorpions$ mites$ ticks and harvestmen" Spiders have . legs while insects have /" Spiders don’t have antennae while insects do"  #here are around 01111 different species of spider" Most spiders make silk which they use to create spider webs and capture prey" Most spiders are harmless to humans but a few spider species$ such as the black widow$ can bite humans and in2ect venom" *eaths from spider bites are rare however"  #arantulas are large and often hairy spiders$ the biggest species have been known to kill mice$ li3ards and birds" Most tarantula species are not dangerous for humans"

)ow many legs have spiders got4 'I7)# )ave spiders got antennae4 &%$ #),' )A;'&’#

)ow many species of spiders are there4 A(%+&* 01111 Are the tarantulas dangerous for humans4 &%$ #)', A('&’#

/. !omplete the sentences: Many invertebrates live in the !!S'A!!!!!!"but some live in the fresh water and other live on land  #he !!!-A(ASI#'S!!""live inside other animals Sponges$ cnidarians$ worms$ echinoderms$ arthropods and molluscs are! I&;'(#'<(A#'S!"" 'chinoderms are !!MA(I&'!!!"animals 5lies$ butterflies are !!!I&S'C#S!!!  #he arachnids have !!A<*%M'&!!"and cephalothorax Crustaceans have !#'&!or more legs